Crystal structure of 2,6-dimethylpyridinium hydrogen fumarate: Hydrogen bonds of C(sp(3))-H center dot center dot center dot O, C(sp(2))-H center dotcenter dot center dot O and N+-H center dot center dot O-(sp(3))
Yj. Pan et al., Crystal structure of 2,6-dimethylpyridinium hydrogen fumarate: Hydrogen bonds of C(sp(3))-H center dot center dot center dot O, C(sp(2))-H center dotcenter dot center dot O and N+-H center dot center dot O-(sp(3)), CHEM LETT, (10), 2001, pp. 1008-1009
X-ray diffraction study on 2,6-dimethylpyridinium hydrogen fumarate reveals
that the same site of O-(sp(3)) is confined by hydrogen bonds not only of
N+-H...O-, but also those of C(sp(3))-H...O and C(sp(2))-H...O.